In 2016, the population of the United States was approximately 3.24 x 10^8. It is expected that the population will be about 3.9
8 x 10^8 in 2050. Which shows the growth in population, written in scientific notation?
1 answer:
Answer:
7.4 x 10^7
Step-by-step explanation:
3.98 x 10^8 - 3.24 x 10^8 = 0.74 x 10^8 (not scientific notation, because it isn't full number)
0.74 x 10^8 ---> 7.4 x 10^7
- got seven by counting the spaces it moved over (right decrease, while left increases)
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